Click on treeview and item selected

void CListaDevice::OnClickTree(NMHDR* pNMHDR, LRESULT* pResult) {

	*pResult = FALSE; 

     CPoint pt;
     GetCursorPos( &pt );
     m_wndTreeDevice.ScreenToClient( &pt ) ;
     
     UINT nFlags = 0;
     HTREEITEM hItem = m_wndTreeDevice.HitTest( pt, &nFlags ) ;
     if( hItem == NULL  ||  !(nFlags & (TVHT_ONITEMLABEL|TVHT_ONITEMICON)) )
		return;
//hItem is always 0x0000!!!

}